diffusion velocity造句
例句与造句
- Gas diffusion velocity
气体扩散速度 - Self diffusion velocity
自扩散速度 - 6 . the melting of the grain boundary is the reason of the semi - solid grain globalization , and its control factors were the atomic diffusion velocity and the liquid - solid interface curvature
6 、半固态晶粒球状化的基本原因是晶界熔化，其控制因素是因液界面处原子扩散迁移的速度和界面曲率。 - The samples were welded at 750 , 800 , 850 and 900 . the diffusion coefficients ( d ) of cu and ni at interface increased with the increase of welding temperature . and comparing with radiation heating , atom diffusion velocity at interface quickened
其它条件相同时，分别在750 、 800 、 850 、 900的温度下采用脉冲大电流加热连接cu和ni片状材料，结果表明接触面处cu和ni的扩散系数随温度升高而增大。 - Upon the foundation of contracted - ball , function equations of conversion rates of grains and time are deduced . it is brought forward that the conversion rates of grains rely on reaction velocity at interface and diffusion velocity in reacted layer and at the same time relate to reaction process
建立了粉粒反应的缩球模型，推导了颗粒反应转换率随时间的变化规律，提出了颗粒反应转换率取决于界面化学反应速率和已反应层内的扩散速率两个因素并与反应进程有关。 - It's difficult to find diffusion velocity in a sentence. 用diffusion velocity造句挺难的
- The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ) . it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent , doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface
实验研究了快速热扩散( rtd ) ：通过旋涂磷胶和印刷磷浆两种方式考查了2 4和103 103单晶硅的快速热扩散特性，发现： 1 )此样机的温度场在空间分布上是均匀的； 2 )快速热扩散可以比传统扩散快3倍的速度进行扩散； 3 )在扩散温度和掺杂磷源相同的条件下，与传统扩散相比，快速热扩散将杂质向结更深的地方推进。 - By control the adulteration of kmno4 powder in the raw materials , we found the adulteration of kmn04 powder decrease the dosage of easy melted metal mn , and release the hot - trap problem , enhance the diffusion velocity as well as cut down the synthesis temperature and combustion propagation velocity of the system
320左右体系内sro _ 2分解放出氧气，并且和空气中的co _ 2发生反应生成了srco _ 3发生强烈的放热反应，缓慢的放热包。 450左右体系内naclo _ 4分解吸热， shs反应被触发，反应剧烈，放出大量的热。